package s2elinshu;

import java.util.Scanner;

public class Calculator {

	public static void main(String[] args) {
		calculatorVO cvo = new calculatorVO(5, 15);
		
		
	}  //public static void main
}  //public class Calculator

class calculatorVO{
	private int a;
	private int b;
	private String ba;
	
	public calculatorVO(int a, int b) {
	this. a = a;
	this. b = b;
	}

	public int getA() {return a;}
	public void setA(int a) {this.a = a;}
	public int getB() {return b;}
	public void setB(int b) {this.b = b;}	
	public String getBa() {return ba;}
	public void setBa(String ba) {this.ba = ba;}

	@Override
	public String toString() {
		String result = "";
		result += a + ba + a + "=";
		return result ;
	}
}  //class calculatorVO

interface CalculatorService{
	String ba();
}




